Stone River Products Standard Square Ring Kit, 382 Piece Buna-N NBR 70A Assortment, 30 AS568 Sizes, Black Square Cut Seals for Hydraulic, Automotive & Industrial Use

Stone River Products Standard Square Ring Kit, 382 Piece Buna-N NBR 70A Assortment, 30 AS568 Sizes, Black Square Cut Seals for Hydraulic, Automotive & Industrial Use

• 382-Piece Square Ring Assortment – 30 AS568 Sizes: Comprehensive kit covering 30 of the most commonly used inch sizes for industrial, automotive, hydraulic, and maintenance applications.
• Square Cross-Section for Stable Sealing: Square cut washer-style rings provide reliable sealing performance and are ideal for face-to-face gasket style sealing or shaft sealing applications.
• Buna-N (NBR) 70 Durometer – Industry Standard: Made from sulfur-cured black nitrile rubber with excellent resistance to petroleum oils, gasoline, propane, hydraulic fluids, and water.
• Wide Operating Temperature Range: Performs from -40°F to +250°F, offering durability in engines, pumps, gearboxes, plumbing systems, and industrial machinery.
• Organized for Fast Access: 382 total pieces arranged in a convenient organizer case, making it ideal for technicians, field service crews, and MRO inventory kits.
• Industrial & Consumer-Ready: Perfect for machinists, automotive service techs, maintenance professionals, and DIY enthusiasts alike. Ideal for use as shaft seals, static face gasket seals, or in linear and rotary motion applications.